"Fifty-six percent decline in overall crime. A 73 percent decline in motor-vehicle theft. A 67 percent decline in robbery. A 66 percent decline in murder. This is way beyond what happened in the nation during this period of time.
Rudy Giuliani on Thursday, May 31st, 2007 in New York, N.Y.
He's got his numbers right
But his claims do come with some caveats: Numerous studies have failed to show that the politicies of Giuiliani and his police commanders were directly responsible for the decline in crime.
Crime rates dropped nationwide during those years, 1994-2001, and most large cities saw significant declines; San Francisco, in fact, enjoyed the steepest drop in violent crime. And, significantly, violent crime rates in New York City had been falling for three years before he took office.